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Home >> Lexus >> 2005 >> IS 300 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine - Diagnostics >> DTC P0121: Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem >> Circuit Description
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Circuit Description

Refer to DTC P0120 THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT DTC P0122 THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT LOW INPUT DTC P0123 THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT HIGH INPUT DTC P0220 THROTTLE/PEDAL POSITION SENSOR/SWITCH "B" CIRCUIT DTC P0222 THROTTLE/PEDAL POSITION SENSOR/SWITCH "B" CIRCUIT LOW INPUT DTC P0223 THROTTLE/PEDAL POSITION SENSOR/SWITCH "B" CIRCUIT HIGH INPUT DTC P2135 THROTTLE/PEDAL POSITION SENSOR/SWITCH "A"/"B" VOLTAGE CORRELATION .

DTC TROUBLE DETECTION

DTC No. DTC Detection Condition Trouble Area
P0121 Condition (a) continues for 10 seconds when idle is ON, but for 2 seconds when idle is OFF: Throttle position sensor
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